近年来 ,利用计算机技术设计和开发的多媒体课件在课堂教学中已发挥出越来越大的作用。正如联合国教科文组织在《学会生存》中指出的那样 ,“技术训练必然要运用语言 ,也要运用其他的方法 ,诸如演示、实验、实践活动以及常规反射和技能的获得等。重要的是我们要认识到 :现代人 In recent years, multimedia courseware designed and developed using computer technology has played an increasingly important role in classroom teaching. As UNESCO pointed out in “Learning to Live,” "Technical training is bound to use language as well as other methods, such as demonstrations, experiments, practical activities, and acquisition of conventional reflexes and skills. What is important is that we To realize: modern people